83=-2x+3(5x-7)

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Solution for 83=-2x+3(5x-7) equation: 



83=-2x+3(5x-7)

We move all terms to the left:

83-(-2x+3(5x-7))=0



We calculate terms in parentheses: -(-2x+3(5x-7)), so:

-2x+3(5x-7)

We multiply parentheses

-2x+15x-21

We add all the numbers together, and all the variables

13x-21

Back to the equation:

-(13x-21)



We get rid of parentheses

-13x+21+83=0

We add all the numbers together, and all the variables

-13x+104=0

We move all terms containing x to the left, all other terms to the right

-13x=-104

x=-104/-13

x=+8

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